Monogram
Runaway Cooling or Control Feedback Failure
Wine cooler runs continuously and never cycles off, even when set temperature is reached.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Faulty temperature sensor reading too warm, Stuck compressor relay on control board, Poor door seal causing constant heat gain, Ambient temperature too high
How to Fix / Troubleshooting
Safety: Unplug before inspecting electrical components.
- Check actual temperature: Use a thermometer to see if the cabinet is below the setpoint. If so, the control is not sensing correctly.
- Inspect gasket and door usage: Replace damaged gaskets and reduce door openings.
- Test thermistor: Verify the cabinet sensor resistance vs. temperature. Replace if out of spec.
- Control board relay: Inspect the compressor relay on the main board for signs of sticking or heat damage. If the compressor remains on even when the board should be off, replace the main control board.
Continuous running increases wear and energy use; address promptly.
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Repair Difficulty
Medium
3/5
Required Part
Main Control Board
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